Metallic-car construction.



Patented Nov. l8, I902.

' C. M. CARNAHAN.

METALLIC GAR CONSTRUCTION.

(Application filed Nov. 13, 1901.)

2 Sheets-Sheet I.

(No Model.)

m1. '7|3,74a. Patent ed Nov. I8, 1902.

- c. m. CARNAHAN.

METALLIC GAR CONSTRUCTION.

{Application filed Nov. '13, 1901.) v

(No Model.) 2 Sheets-Sheet 2.

CYRUS M. OARNAI-IAN, OF ALLEGHENY, PENNSYLVANIA.

METALLIC- CAR CONSTRUCTION.

SPECIFICATION forming part of Letters Patent No. 713,748, dated November18, 1902. Application filed November 13, 1901. Serial No. 82,084. (Nomodel.)

dola type of car constructed in accordance with my invention. Fig. 2 isa cross-sectional view, on an enlarged scale, indicated by the line IIII of Fig. 1. Fig. 3 is a detail crosssectional view, on an enlargedscale, illustrating the corner construction indicated by the line IIIIII of Fig. 1. Fig. 4 is asimilar view illustrating a modifiedarrangement. Fig. 5 is a cross-sectional View similar to Fig. 2, showingthe construction as applied to a car having a dumping-bottom. Fig. 6 isa detail view illustrating a modified construction. Fig. '7 is a view inside elevation of a box-car type. Fig. 8 is a cross-sectional view onthe line VIII VIII of Fig. 7. Fig. 9 is a view in side elevation showingthe construction as adapted to a passenger-car. Fig. 10 is a horizontalsection therethrough on one side, indicated by the line X X of Fig. 9.Fig. 11 is a vertical cross-sectional view indicated by the line XI XIof Fig.7. Fig. 12 is a similar view indicated by the line XII XII ofFig. 8. Fig. 13 is a detail view illustrating the connection of thefloor members with the cross and end sills.

My invention relates to the construction of railroad and other cars orvehicles for the transportation of freight,passengers,the.; and itconsists in the features of construction as shown in the drawings and ashereinafter described.

The invention has in view the cheapening, strengthening, and simplifyingin construction of what are known as steel cars by the use of standardrolled sections of structural steel, such as channels, 850, resulting inthe advantages incident to the use of such forms in the construction ofrolling-stock, which is peculiarly subjected to excessive strain andwear due to its severe continuous use.

Referring to the drawings, 2 2 are the center sills, made of suitablestructural shape, midway of the main framework, running longitudinallyfor the full length of the car, assembled in close relation to eachother and with sufficient intervening space to receive the draw-heads 3with their accompanying draftgear at each end. On each outer side oncorresponding levels with the center sills are the side sills 4:,consisting of suitable structural shapes, as channels or I-beams, withwhich center sills and side sills are incorporated the cross-sills 5,also of structural channels or I- beams. 'At suitable locations forproviding truck bearings are also located the usual body-bolsters, whichmay be of any preferred or suitable form or construction; but inasmuchas thepresent invention relates particu larly to the construction of thecar-body these parts have not been illustrated in detail. The end sills6 are similar to the side sills and are likewise made of similarstructural members incorporated with the side sills and with the centersills by suitable angle-brackets riveted to each, so as toproperlysecure the parts together in the manner customary in structuralwork. The floor of thecar is composed of series of longitudinal channelmembers 7, laid edge to edge for the full length of the car, theirflanges abutting against each other and resting upon the cross and endsills, while theupper faces of the Webs of such channels when thusassembled form aeoutinuous flatsurt'ace, smooth, unbroken throughout thefull length and width of the floor. At intervals bolts 8 are passedthrough the flanges of all of the floor members and also through'theside sills 4 and tightened up by nuts, such bolts thereby securelyholding all of the cross members together and in aliuement and rigidlysecuring them to the side sills.

The sides of the car are constructed in a similar manner of the channels7, the flanges of which are laid together, as shown, the webs formingthe inner surface of the sides of the car in a similar manner to thefloor, and such side channel members are likewise held together and inaliuement by bolts 8, extending from top to bottom and through one orboth flanges of the side sills 4, tightened up and securely and rigidlyholding the members together. These bolts are located at suitabledistances apart, and, if desired, between the bolts the flanges may befurther secured together by rivets 9, and it will be understood that, ifdesired, the bolts may be used throughout to the exclusion of therivets, or the bolts may be dispensed with and the flanges of thechannels secured together by rivets only. The ends are constructed inthe same manner, the channels extending across from side to side, whileat the corners the side and end channels are secured together bystructural members having diverging flanges, as angle-brackets 10, uponthe inside and outside of the car, riveted through the webs of thechannels. An especial advantage of such corner-angles is that whenarranged as shown in Fig. 3, wherein a supplemental outer angle 11 isemployed, the corner is further stiffened, and such angle provides aconvenient bearing for the pushbar of a shifting-engine, thus obviatingthe necessity of such a separate element being mounted upon the end sillof the car. When thus constructed in the form of a gondola or open-topcar, the channels provide a finished floor, sides, and ends, the edgesof which require no further reinforcing or finishing, while the cornerswhen secured together as I have shown and described present a finishedand workmanlike appearance.

When made in the form of a box-car, as shown in Fig. 7, the roof 12 maybe of sheeti'ron or other material and supported upon any suitableroof-framing, while the opening for the door is surrounded bysupplemental frame members 13, into which the side members 7 are framedand to which they are secured by riveting through the webs and flangesof such side members and door-frame or in any other suitable manner.

When the construction is utilized in the building of passenger-coaches,as illustrated in Fig. 9, the columns between the windows are made ofshort sections of channels or other suitable structural shapes, securedtogether and to the main longitudinal upper and lower side members bybolts or rivets in the manner already described, and the columns may befurther reinforced by inner vertical an gles or channel members 13,riveted to the column member in the mannerillustrated in Fig. 10. Whenutilized as a dump-car, the dumping-sections A A, which may be eithersingle or of double width across the car, are arranged with theindependent outer side sills 14 and cross-sills 15, all of the partsbeing bolted and riveted together in the manner already described. Insuch construction the upper sides of the center sills 2 are preferablyreinforced, as by upwardly-extending angle members 16, which constitutea stiflening hog-back.

The construction is well adapted to utilization in dumping-cars. Thefloor provides a perfectly smooth hard surface, upon which material ofall kinds will readily'sli'de, while upon a flat surface material maybeshoveled with equal ease, an d'this feature of ease of handling andshifting the contents of the car is an important and valuable one.

The present invention is not designed to relate specifically to anyparticular type of car or to the details of its construction, butembodies generally the principle of utilizing channel forms ofstructural steel, whereby to secure the smooth-finished innersurface ofthe floor, sides, and ends and the various other features of advantagewhich have been hereinbefore set forth and which will be readilyappreciated by all those familiar with the general subject of steelcars. It will be seen also that these inner surfaces in addition tobeing continuous and unbroken are entirely unobstructed incidentally byrivet or bolt heads, all such parts being entirely covered and concealedfrom view. None of these securing elements are therefore exposed to theinjurious effects of moisture, acid, &c., and they are, moreover,readily accessible and easily removed when for any reason it is desiredto do so, as for the replacement of bent or broken parts. When, however,it is desired to cover either the inner or outer surfaces, or both, withwood or other facing materialas, for instance, in the construction ofpassenger-cars-a suitable wooden framing structure may be easily andreadily attached to the metal framework and the superstructure laid overit in any manner desired or preferred.

Various changes, modifications, or adaptations of the invention may bemade by the skilled mechanic without departing from my invention, and Ido not desire to be confined to the detailed construction as shown anddescribed, but to include all such changes and variations as within thescope of the following claims.

What I claim is 1. In a metallic car the combination of end and crosssills of structural members; a fioor composed of channel members laidover such end and cross sills, and side and end sills of structuralmembers incorporated with said sills and fioor, with means for securingthe members together.

2. In a metallic car the combination of end and cross sills ofstructural members, a floor composed of channel members laid over thesaid end and cross sills, side and center sills of structural membersincorporated with said sills and floor, and sides composed of channelmembers, with means for securing the members together.

3. In a metallic car the combination of end and cross sills ofstructural members, a floor composed of channel members laid over thesaid end and cross sills, side and center sills of structural membersincorporated with the said sills and floor, and sides and ends composedof channel members, with means for securing the members together.

4. A metallic car composed of a foundationframework of structuralmembers, and a floor, sides and ends of channel members supported uponsuch framework, and means for securing the channels together and to suchframework consisting of bolts passingth rough the flanges thereof.

5. A metallic car composed of a foundationframework of structuralmembers, and sides and ends of structural members, with means forsecuring the sides and ends at the corners and thereby providingrecessed push-bar bearings.

6. A metallic car composed of a foundationframework of structuralmembers, and sides and ends of structural members, with means forsecuring the sides and ends at the corners consisting of structuralmembers having diverging vertically-arranged flanges, providing avertical recessed push-bar bearing and securing devices.

7. A metallic car composed of a foundationframework of structuralmembers, and sides and ends of structural members, with means forsecuring the sides and ends at the corners consisting of angle members,and securing devices, the flanges of said angle members flaringoutwardly and providing a push-bar bearing.

8. A metallic carcomposed of a foundationframework, consisting ofcenter, side, end, and cross sills of channel members, and a floor ofchannel members laid over such framework, and secured thereto, by boltspassing through the flanges of the channel members.

9. A metallic car composed of a foundationframework consisting ofcenter, side, end, and cross sills of channel members, and a floor ofchannel members laid over such framework, With securing means consistingof bolts passing through the flanges of such floor members connectingthem together and to such framework.

10. A metallic car-composed of a found ationframework consisting ofcenter, side, end, and cross sills of channel members, sides and ends ofchannel members supported upon such framework, with means consisting ofbolts passing through the flanges of the side and end members, securingthem together and to the framework.

11. A metallic car composed ofa foundationframework consisting ofcenter, side, end, and cross sills of channel members, a floor,

sides and end of channel members supported upon such framework, withmeans consisting of bolts passing through the flanges of the floor, sideand end members, securing them together and to the framework.

12. In a metallic car, means for securing the sides and ends togetherconsisting of vertically-arranged angle members, the flanges of whichprovide a push-bar bearing, with securing devices connecting themembers.

13. In a metallic car, the combination of a foundation-framework ofstructural members, and sides consisting of rolled channel members withlateral apertures through the sides.

1%. In a metallic car, the combination of a foundation-framework ofstructural members, and sides consisting of rolled channel members withdoor-openings therein, framing structures therefor, and means forsecuring the members together.

15. In a metallic car, the combination of a foundation-framework ofstructural members, a floor, sides, and ends of rolled channel members,means for securing the members together, and lateral apertures throughthe sides.

16. In a metallic car, the combination of side, center, end and crosssills of channel members, a floor, sides, and ends of channel members,means for securing the members together, and lateral apertures throughthe sides.

17. In a metallic car having sides and ends composed of structuralmembers; means for connecting the members at the corners, consisting ofangle-irons riveted to the members and to each other, so as to provide acornerbearing for a push-bar.

18. In a metallic car having sides and ends composed of channel-beams;inner and outer angle members, secured to the beam, and a corner anglemember secured to the outer angle members, providing a rest for apushbar.

In testimony whereof I affix my signature in presence of two Witnesses.

CYRUS M. OARNAHAN.

Witnesses:

Ms J. MoAFEE, O. M. CLARKE.

